Clinical factors in smoking withdrawal: preliminary report.
D000661:Amphetamine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D008120:Lobeline / Q000627:therapeutic use*; D010919:Placebos; D012907:Smoking
D010919:Placebos; D000661:Amphetamine; D008120:Lobeline